/***
 * Copyright (c) 2021-2031 murenchao
 * fig is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *       http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */
package cool.taomu.software.fig.mqtt.broker.impl.request

import cool.taomu.software.fig.classloader.FigClassLoaderManage.Autowired
import cool.taomu.software.fig.mqtt.broker.impl.response.MQTTPingResp
import cool.taomu.software.fig.mqtt.utils.CommonUtils
import io.netty.channel.ChannelHandlerContext
import io.netty.handler.codec.mqtt.MqttMessage
import org.slf4j.LoggerFactory
import cool.taomu.software.fig.mqtt.broker.inter.IRequest
import cool.taomu.software.fig.mqtt.broker.inter.IResponse

/**
 *  PINGREQ  V	|	12 	|	客户端到服务端 	|	心跳请求
 */
class MQTTPingEq implements IRequest {
	val LOG = LoggerFactory.getLogger(MQTTPingEq);
	
	@Autowired(MQTTPingResp)
	IResponse<?> pingResp;

	override request(ChannelHandlerContext ctx, MqttMessage mqttMessage) {
		var clientId = CommonUtils.getClientId(ctx.channel);
		LOG.debug("执行了MQTT PingEq 命令 : "+clientId);
		return #[pingResp.response(null)];
	}
}
